Door sensor alarm

315 products

105dB Anti-Theft Bike Motorcycle Alarm, Wireless Security Vibration Motion Sensor Alarm with Remote Control for Bike Car Vehicles Door Window (1/3)

105dB Anti-Theft Bike Motorcycle Alarm, Wireless Security Vibration Motion Sensor Alarm with Remote Control for Bike Car Vehicles Door Window

~~£39.37~~

Free shipping

105dB Anti-Theft Motorcycle/Bicycle Alarm, Wireless Security Vibration Motion Sensor Alarm with Remote Control for Car/Bicycle Door/Window (1/3)

105dB Anti-Theft Motorcycle/Bicycle Alarm, Wireless Security Vibration Motion Sensor Alarm with Remote Control for Car/Bicycle Door/Window

Door/window sensor with automatic recording, Bluetooth 5.0, app control, wireless and smart for your home security (1/5)

Door/window sensor with automatic recording, Bluetooth 5.0, app control, wireless and smart for your home security (2/5)

Door/window sensor with automatic recording, Bluetooth 5.0, app control, wireless and smart for your home security (3/5)

Door/window sensor with automatic recording, Bluetooth 5.0, app control, wireless and smart for your home security

~~£35.30~~

Free shipping

120dB alarm opening detector - Door and window sensor with induction mode - Power supply 3 AAA batteries - Home security (1/5)

120dB alarm opening detector - Door and window sensor with induction mode - Power supply 3 AAA batteries - Home security (2/5)

120dB alarm opening detector - Door and window sensor with induction mode - Power supply 3 AAA batteries - Home security (3/5)

120dB alarm opening detector - Door and window sensor with induction mode - Power supply 3 AAA batteries - Home security

~~£29.90~~

Free shipping

2pcs Door and Window Alarm Magnetic Wireless Sensor with 2 Remote Controls for Home Security System Child Safety-Anti-Theft Burglar Detectors 130dB Siren (1/4)

2pcs Door and Window Alarm Magnetic Wireless Sensor with 2 Remote Controls for Home Security System Child Safety-Anti-Theft Burglar Detectors 130dB Siren

~~£52.31~~

Free shipping

Vibration Sensor, Vibration Alarm, APP Reminder, Mini Wireless Glass Break Detector for Alarm System and Door/Window (1/5)

Vibration Sensor, Vibration Alarm, APP Reminder, Mini Wireless Glass Break Detector for Alarm System and Door/Window (2/5)

Vibration Sensor, Vibration Alarm, APP Reminder, Mini Wireless Glass Break Detector for Alarm System and Door/Window (3/5)

Vibration Sensor, Vibration Alarm, APP Reminder, Mini Wireless Glass Break Detector for Alarm System and Door/Window

Free shipping

A4LA5A6LQ5 Door Handle Sensor, Exterior Door Handle Sensor 4G8927753, Smart Sensor (1/4)

A4LA5A6LQ5 Door Handle Sensor, Exterior Door Handle Sensor 4G8927753, Smart Sensor (2/4)

A4LA5A6LQ5 Door Handle Sensor, Exterior Door Handle Sensor 4G8927753, Smart Sensor

~~£36.68~~

Free shipping

A4LA5A6LQ5 Door Handle Sensor, Exterior Door Handle Sensor 4G8927753, Smart Sensor

Free shipping

Wireless Alarm - 120dB Security Alarm for Doors and Anti-Theft Door Button Sensor for Home, Office, Hotel - Reusable (1/5)

Wireless Alarm - 120dB Security Alarm for Doors and Anti-Theft Door Button Sensor for Home, Office, Hotel - Reusable (2/5)

Wireless Alarm - 120dB Security Alarm for Doors and Anti-Theft Door Button Sensor for Home, Office, Hotel - Reusable (3/5)

Wireless Alarm - 120dB Security Alarm for Doors and Anti-Theft Door Button Sensor for Home, Office, Hotel - Reusable

Free shipping

Wireless Home Alarm Kit, WiFi Door and Window Sensor, Smart Door Status Detection, Phone Alert, Works with Smart Life App (1/5)

Wireless Home Alarm Kit, WiFi Door and Window Sensor, Smart Door Status Detection, Phone Alert, Works with Smart Life App (2/5)

Wireless Home Alarm Kit, WiFi Door and Window Sensor, Smart Door Status Detection, Phone Alert, Works with Smart Life App (3/5)

Wireless Home Alarm Kit, WiFi Door and Window Sensor, Smart Door Status Detection, Phone Alert, Works with Smart Life App

Free shipping

Wireless Home Alarm Kit, WiFi Door and Window Sensor, Smart Door Status Detection, Phone Alert, Works with Smart Life App

~~£27.80~~

Free shipping

Wireless Home Alarm Kit, WiFi Door and Window Sensor, Smart Door Status Detection, Phone Alert, Works with Smart Life App

~~£23.58~~

Free shipping

Wireless Home Alarm Kit, WiFi Door and Window Sensor, Smart Door Status Detection, Phone Alert, Works with Smart Life App

~~£26.99~~

Free shipping

Magnetic Contact Sensor Detector - Metal Window Door Alarm Door Opening Detector Security Alarm System with Cable Home Garage Security Kit (1/5)

Magnetic Contact Sensor Detector - Metal Window Door Alarm Door Opening Detector Security Alarm System with Cable Home Garage Security Kit (2/5)

Magnetic Contact Sensor Detector - Metal Window Door Alarm Door Opening Detector Security Alarm System with Cable Home Garage Security Kit (3/5)

Magnetic Contact Sensor Detector - Metal Window Door Alarm Door Opening Detector Security Alarm System with Cable Home Garage Security Kit (4/5)

Magnetic Contact Sensor Detector - Metal Window Door Alarm Door Opening Detector Security Alarm System with Cable Home Garage Security Kit

~~£24.45~~

Free shipping

4G WiFi alarm system, 10-piece set including 4.3-inch touchscreen panel, door motion sensor, built-in 115dB siren and app control.

Free shipping

Pack Home Security Door Alarm, Magnetic Window Open Sensor, 110dB Anti-Theft Alert Chime for Garage Drawers, Safes (1/5)

Pack Home Security Door Alarm, Magnetic Window Open Sensor, 110dB Anti-Theft Alert Chime for Garage Drawers, Safes (2/5)

Pack Home Security Door Alarm, Magnetic Window Open Sensor, 110dB Anti-Theft Alert Chime for Garage Drawers, Safes (3/5)

Pack Home Security Door Alarm, Magnetic Window Open Sensor, 110dB Anti-Theft Alert Chime for Garage Drawers, Safes (4/5)

Pack Home Security Door Alarm, Magnetic Window Open Sensor, 110dB Anti-Theft Alert Chime for Garage Drawers, Safes

~~£33.58~~

Free shipping

Wireless Doorbell Electric Door Chime Kit with 1 Receiver and 1 PIR Motion Detector Visitor Alert Sensor Security Alarm with 38 Melodies at 3 Volume Levels (1/5)

Wireless Doorbell Electric Door Chime Kit with 1 Receiver and 1 PIR Motion Detector Visitor Alert Sensor Security Alarm with 38 Melodies at 3 Volume Levels

~~£52.02~~

Free shipping

Wireless Doorbell Motion Sensor Electric Door Chime 36 Melodies Security Alarm with Transmitter and Receiver for Home Office Hotel Shop Store(1+2 EU) (1/4)

Wireless Doorbell Motion Sensor Electric Door Chime 36 Melodies Security Alarm with Transmitter and Receiver for Home Office Hotel Shop Store(1+2 EU)

~~£57.95~~

Free shipping

WiFi alarm for doors and windows: smart alarm for windows, vibration sensors with 130 dB alarm and alerts via free app, child safety alarm sensor for (1/5)

WiFi alarm for doors and windows: smart alarm for windows, vibration sensors with 130 dB alarm and alerts via free app, child safety alarm sensor for

~~£46.73~~

Free shipping

4 Pack 125dB Door and Window Alarm with Vibration Sensor, White, Slim and Thin Burglar Detector with Adjustable Sensitivity LED Indicator for Home Security (1/5)

4 Pack 125dB Door and Window Alarm with Vibration Sensor, White, Slim and Thin Burglar Detector with Adjustable Sensitivity LED Indicator for Home Security

~~£48.99~~

Free shipping

6 Sets Anti-theft Sensor Wireless Magnetic Door Window Security Alarm (1/3)

6 Sets Anti-theft Sensor Wireless Magnetic Door Window Security Alarm

~~£38.98~~

Free shipping

130dB Wireless Security Alarm, 5 Alarm Modes, 2 Remote Controls, Magnetic Sensor for Doors and Windows, Easy Installation (1/4)

130dB Wireless Security Alarm, 5 Alarm Modes, 2 Remote Controls, Magnetic Sensor for Doors and Windows, Easy Installation (2/4)

130dB Wireless Security Alarm, 5 Alarm Modes, 2 Remote Controls, Magnetic Sensor for Doors and Windows, Easy Installation

~~£43.48~~

Free shipping

130dB Wireless Security Alarm – 5 Alarm Modes – 2 Remote Controls – Magnetic Sensor for Doors and Windows – Easy Installation

Free shipping

Ersandy – 130dB Wireless Security Alarm – 5 Alarm Modes – 2 Remote Controls – Magnetic Sensor for Doors and Windows – Easy Installation (2/4)

Ersandy – 130dB Wireless Security Alarm – 5 Alarm Modes – 2 Remote Controls – Magnetic Sensor for Doors and Windows – Easy Installation

TY APP Wireless WiFi Smart Home Alarm System with Remote Control, 8-Piece Kit, Door/Window Sensor, PIR Motion Sensor, Supports 11 Different Languages for Security (1/4)

TY APP Wireless WiFi Smart Home Alarm System with Remote Control, 8-Piece Kit, Door/Window Sensor, PIR Motion Sensor, Supports 11 Different Languages for Security

~~£99.13~~

Free shipping

4 Pack Mini Self-Adhesive Window and Door Alarm with 90dB Wireless Magnetic Sensor - Wireless Home Security Alarm System for Home Security, Camping (1/5)

4 Pack Mini Self-Adhesive Window and Door Alarm with 90dB Wireless Magnetic Sensor - Wireless Home Security Alarm System for Home Security, Camping

~~£40.79~~

Free shipping

Set of 4 mini self-adhesive window and door alarms with 90dB wireless magnetic sensor - Wireless home security alarm system for home and camper van security (1/4)

Set of 4 mini self-adhesive window and door alarms with 90dB wireless magnetic sensor - Wireless home security alarm system for home and camper van security

~~£41.99~~

Free shipping

Set of 4 mini self-adhesive window and door alarms with 90dB wireless magnetic sensor - Wireless home security alarm system for home and camper van security

~~£75.01~~

Free shipping

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA--DTEKGAZ (1/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA--DTEKGAZ (2/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA--DTEKGAZ (3/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA--DTEKGAZ

~~£47.39~~

Free shipping

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA (1/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA (2/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA (3/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA

~~£41.54~~

Free shipping

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA--BIEMMEDUE (1/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA--BIEMMEDUE (2/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA--BIEMMEDUE (3/5)

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA--BIEMMEDUE

~~£57.74~~

Free shipping

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA

Free shipping

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA

Free shipping

1 set of colors: see photo. Material: ABS. Door contact sensor for sliding doors 68100642AA

Free shipping

Wireless Door Alarm (2-Pack), Personal Security Alarm for Doors and Windows, Powerful 120dB Alarm, Hanging Sensor, Black (1/5)

Wireless Door Alarm (2-Pack), Personal Security Alarm for Doors and Windows, Powerful 120dB Alarm, Hanging Sensor, Black (2/5)

Wireless Door Alarm (2-Pack), Personal Security Alarm for Doors and Windows, Powerful 120dB Alarm, Hanging Sensor, Black (3/5)

Wireless Door Alarm (2-Pack), Personal Security Alarm for Doors and Windows, Powerful 120dB Alarm, Hanging Sensor, Black

~~£31.99~~

Free shipping

Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Alarm Modes, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children (1/5)

Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Alarm Modes, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children

~~£32.78~~

Free shipping

Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Alarm Modes, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children

~~£26.99~~

Free shipping

Sensor of door without wire, detector of opening and of closure of window, response fast, alarm of safety household high sensitivity (1/5)

Sensor of door without wire, detector of opening and of closure of window, response fast, alarm of safety household high sensitivity (2/5)

Sensor of door without wire, detector of opening and of closure of window, response fast, alarm of safety household high sensitivity (3/5)

Sensor of door without wire, detector of opening and of closure of window, response fast, alarm of safety household high sensitivity (4/5)

Sensor of door without wire, detector of opening and of closure of window, response fast, alarm of safety household high sensitivity

-16%

~~£23.52~~Lowest price 30d

Free shipping

Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Function Modes Alarm, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children (1/5)

Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Function Modes Alarm, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children

~~£29.39~~

Free shipping

Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Function Modes Alarm, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children

~~£39.99~~

Free shipping

Door and Window Alarm, 2 Remote Controls, 120dB Siren, Adjustable Volume, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children (1/4)

Door and Window Alarm, 2 Remote Controls, 120dB Siren, Adjustable Volume, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children (2/4)

Door and Window Alarm, 2 Remote Controls, 120dB Siren, Adjustable Volume, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children

~~£74.07~~

Free shipping

Door and Window Alarm, 2 Remote Controls, 130dB Siren, Adjustable Volume, 5 Alarm Modes, Magnetic Security Sensor, Wireless Home Alarm for Home, Shop, Children

~~£45.22~~

Free shipping

Bike Alarm with Remote Control, Wireless Bike Alarm with 113 DB Super Loud, Anti-Theft Security Scooter Alarm Electric Scooter and Waterproof IP65 for Vibration Sensor Luggage Door (1/5)

Bike Alarm with Remote Control, Wireless Bike Alarm with 113 DB Super Loud, Anti-Theft Security Scooter Alarm Electric Scooter and Waterproof IP65 for Vibration Sensor Luggage Door

Free shipping

Bike Alarm with Remote Control, Wireless Bike Alarm with 113 DB Super Loud, Anti-Theft Security Scooter Alarm Electric Scooter and Waterproof IP65 for Vibration Sensor Luggage Door

Free shipping

Home Security Door/Window Alarm with Wireless Magnetic Sensor, Anti-Theft Sound and Light, Smart Voice Control, Tuya APP Control, Easy Installation for Garage/Apartment System (1/5)

Home Security Door/Window Alarm with Wireless Magnetic Sensor, Anti-Theft Sound and Light, Smart Voice Control, Tuya APP Control, Easy Installation for Garage/Apartment System

~~£43.72~~

Free shipping

Motion Detector Door Chime for Business Store Entrance, Passage, Motion Detector Alarm, Wireless Outdoor Detector Alarm, Wireless Home Alarm, 1 Sensor and 1 Receiver (1/4)

Motion Detector Door Chime for Business Store Entrance, Passage, Motion Detector Alarm, Wireless Outdoor Detector Alarm, Wireless Home Alarm, 1 Sensor and 1 Receiver

~~£48.09~~

Free shipping

White Doorbell Alarm Entrance Door Bell Wireless Infrared Sensor Motion Detector with Transmitter and Receiver (Two for One European Standard) (1/5)

White Doorbell Alarm Entrance Door Bell Wireless Infrared Sensor Motion Detector with Transmitter and Receiver (Two for One European Standard)

~~£48.21~~

Free shipping

Motion Detector Door Chime for Business Store Entrance, Passage, Motion Detector Alarm, Wireless Outdoor Detector Alarm, Wireless Home Alarm, 1 Sensor and 1 Rec

~~£49.46~~

Free shipping

Smart WiFi door and window sensor compatible with Alexa/Google Home/Tuya (1/5)

Smart WiFi door and window sensor compatible with Alexa/Google Home/Tuya (2/5)

Smart WiFi door and window sensor compatible with Alexa/Google Home/Tuya (3/5)

Smart WiFi door and window sensor compatible with Alexa/Google Home/Tuya

~~£39.62~~

Free shipping

Home Security Door/Window Alarm with Wireless Magnetic Sensor, Anti-Theft Sound and Light, Smart Voice Control, Tuya APP Control, Easy Installation for Garage/Apartment System

~~£65.97~~

Free shipping

Tuya WIFI Door and Window Sensor Magnetic Door Smart Home Remote Home Anti-theft Door and Window Epidemic Prevention and Isolation Alarm-(White)-1pcs (1/5)

Tuya WIFI Door and Window Sensor Magnetic Door Smart Home Remote Home Anti-theft Door and Window Epidemic Prevention and Isolation Alarm-(White)-1pcs

~~£40.99~~

Free shipping

Wireless WiFi Smart Door and Window Sensor (1/4)

Wireless WiFi Smart Door and Window Sensor (2/4)

Wireless WiFi Smart Door and Window Sensor

~~£50.90~~

Free shipping

Wireless Doorbell Electric Door Chime Kit with 1 Receiver and 1 PIR Motion Detector Sensor Visitor Alert Alarm (1/5)

Wireless Doorbell Electric Door Chime Kit with 1 Receiver and 1 PIR Motion Detector Sensor Visitor Alert Alarm (2/5)

Wireless Doorbell Electric Door Chime Kit with 1 Receiver and 1 PIR Motion Detector Sensor Visitor Alert Alarm (3/5)

Wireless Doorbell Electric Door Chime Kit with 1 Receiver and 1 PIR Motion Detector Sensor Visitor Alert Alarm (4/5)

Wireless Doorbell Electric Door Chime Kit with 1 Receiver and 1 PIR Motion Detector Sensor Visitor Alert Alarm

~~£34.21~~

Free shipping

Infrared beam detector for alarms, reflective infrared detector, outdoor intruder alarm system, parking barrier, garage door, infrared detection sensor (1/4)

Infrared beam detector for alarms, reflective infrared detector, outdoor intruder alarm system, parking barrier, garage door, infrared detection sensor

~~£88.99~~

Free shipping

Wireless ZigBee 3.0 Door and Window Sensor Suitable for SONOFF SNZB-04P - Opening Detector Home Alarm Batteries Included Compatible with Alexa and Google Home (1/5)

Wireless ZigBee 3.0 Door and Window Sensor Suitable for SONOFF SNZB-04P - Opening Detector Home Alarm Batteries Included Compatible with Alexa and Google Home

Filter by

Door sensor alarm